MLA

Hughes, Langston, 1902-1967. "Lawyer's corrections". Box 279, folder 4577. n.d.. https://collections.library.yale.edu/catalog/17034028.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 279, folder 4577"])(n.d.)["Lawyer's corrections"]. https://collections.library.yale.edu/catalog/17034028.